podman

Форк
0
190 строк · 4.5 Кб
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package jsoniter
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var digits []uint32
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func init() {
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	digits = make([]uint32, 1000)
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	for i := uint32(0); i < 1000; i++ {
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		digits[i] = (((i / 100) + '0') << 16) + ((((i / 10) % 10) + '0') << 8) + i%10 + '0'
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		if i < 10 {
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			digits[i] += 2 << 24
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		} else if i < 100 {
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			digits[i] += 1 << 24
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		}
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	}
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}
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func writeFirstBuf(space []byte, v uint32) []byte {
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	start := v >> 24
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	if start == 0 {
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		space = append(space, byte(v>>16), byte(v>>8))
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	} else if start == 1 {
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		space = append(space, byte(v>>8))
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	}
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	space = append(space, byte(v))
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	return space
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}
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func writeBuf(buf []byte, v uint32) []byte {
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	return append(buf, byte(v>>16), byte(v>>8), byte(v))
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}
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// WriteUint8 write uint8 to stream
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func (stream *Stream) WriteUint8(val uint8) {
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	stream.buf = writeFirstBuf(stream.buf, digits[val])
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}
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// WriteInt8 write int8 to stream
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func (stream *Stream) WriteInt8(nval int8) {
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	var val uint8
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	if nval < 0 {
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		val = uint8(-nval)
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		stream.buf = append(stream.buf, '-')
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	} else {
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		val = uint8(nval)
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	}
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	stream.buf = writeFirstBuf(stream.buf, digits[val])
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}
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// WriteUint16 write uint16 to stream
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func (stream *Stream) WriteUint16(val uint16) {
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	q1 := val / 1000
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	if q1 == 0 {
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		stream.buf = writeFirstBuf(stream.buf, digits[val])
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		return
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	}
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	r1 := val - q1*1000
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	stream.buf = writeFirstBuf(stream.buf, digits[q1])
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	stream.buf = writeBuf(stream.buf, digits[r1])
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	return
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}
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// WriteInt16 write int16 to stream
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func (stream *Stream) WriteInt16(nval int16) {
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	var val uint16
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	if nval < 0 {
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		val = uint16(-nval)
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		stream.buf = append(stream.buf, '-')
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	} else {
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		val = uint16(nval)
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	}
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	stream.WriteUint16(val)
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}
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// WriteUint32 write uint32 to stream
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func (stream *Stream) WriteUint32(val uint32) {
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	q1 := val / 1000
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	if q1 == 0 {
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		stream.buf = writeFirstBuf(stream.buf, digits[val])
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		return
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	}
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	r1 := val - q1*1000
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	q2 := q1 / 1000
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	if q2 == 0 {
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		stream.buf = writeFirstBuf(stream.buf, digits[q1])
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		stream.buf = writeBuf(stream.buf, digits[r1])
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		return
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	}
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	r2 := q1 - q2*1000
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	q3 := q2 / 1000
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	if q3 == 0 {
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		stream.buf = writeFirstBuf(stream.buf, digits[q2])
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	} else {
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		r3 := q2 - q3*1000
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		stream.buf = append(stream.buf, byte(q3+'0'))
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		stream.buf = writeBuf(stream.buf, digits[r3])
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	}
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	stream.buf = writeBuf(stream.buf, digits[r2])
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	stream.buf = writeBuf(stream.buf, digits[r1])
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}
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// WriteInt32 write int32 to stream
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func (stream *Stream) WriteInt32(nval int32) {
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	var val uint32
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	if nval < 0 {
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		val = uint32(-nval)
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		stream.buf = append(stream.buf, '-')
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	} else {
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		val = uint32(nval)
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	}
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	stream.WriteUint32(val)
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}
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// WriteUint64 write uint64 to stream
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func (stream *Stream) WriteUint64(val uint64) {
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	q1 := val / 1000
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	if q1 == 0 {
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		stream.buf = writeFirstBuf(stream.buf, digits[val])
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		return
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	}
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	r1 := val - q1*1000
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	q2 := q1 / 1000
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	if q2 == 0 {
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		stream.buf = writeFirstBuf(stream.buf, digits[q1])
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		stream.buf = writeBuf(stream.buf, digits[r1])
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		return
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	}
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	r2 := q1 - q2*1000
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	q3 := q2 / 1000
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	if q3 == 0 {
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		stream.buf = writeFirstBuf(stream.buf, digits[q2])
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		stream.buf = writeBuf(stream.buf, digits[r2])
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		stream.buf = writeBuf(stream.buf, digits[r1])
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		return
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	}
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	r3 := q2 - q3*1000
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	q4 := q3 / 1000
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	if q4 == 0 {
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		stream.buf = writeFirstBuf(stream.buf, digits[q3])
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		stream.buf = writeBuf(stream.buf, digits[r3])
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		stream.buf = writeBuf(stream.buf, digits[r2])
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		stream.buf = writeBuf(stream.buf, digits[r1])
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		return
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	}
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	r4 := q3 - q4*1000
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	q5 := q4 / 1000
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	if q5 == 0 {
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		stream.buf = writeFirstBuf(stream.buf, digits[q4])
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		stream.buf = writeBuf(stream.buf, digits[r4])
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		stream.buf = writeBuf(stream.buf, digits[r3])
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		stream.buf = writeBuf(stream.buf, digits[r2])
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		stream.buf = writeBuf(stream.buf, digits[r1])
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		return
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	}
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	r5 := q4 - q5*1000
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	q6 := q5 / 1000
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	if q6 == 0 {
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		stream.buf = writeFirstBuf(stream.buf, digits[q5])
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	} else {
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		stream.buf = writeFirstBuf(stream.buf, digits[q6])
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		r6 := q5 - q6*1000
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		stream.buf = writeBuf(stream.buf, digits[r6])
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	}
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	stream.buf = writeBuf(stream.buf, digits[r5])
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	stream.buf = writeBuf(stream.buf, digits[r4])
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	stream.buf = writeBuf(stream.buf, digits[r3])
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	stream.buf = writeBuf(stream.buf, digits[r2])
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	stream.buf = writeBuf(stream.buf, digits[r1])
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}
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// WriteInt64 write int64 to stream
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func (stream *Stream) WriteInt64(nval int64) {
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	var val uint64
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	if nval < 0 {
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		val = uint64(-nval)
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		stream.buf = append(stream.buf, '-')
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	} else {
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		val = uint64(nval)
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	}
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	stream.WriteUint64(val)
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}
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// WriteInt write int to stream
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func (stream *Stream) WriteInt(val int) {
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	stream.WriteInt64(int64(val))
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}
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// WriteUint write uint to stream
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func (stream *Stream) WriteUint(val uint) {
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	stream.WriteUint64(uint64(val))
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}
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